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The classification of the Atlantic blue marlin (M. nigricans) and the Indo-Pacific blue marlin (M. mazara) as separate species is under debate. Genetic data suggest, although the two groups are isolated from each other, they are both the same species, with the only genetic exchange occurring when Indo-Pacific blue marlin migrate to and ...
Makaira nigricans Lacepède, 1802 (Atlantic blue marlin); Makaira mazara (Jordan & Snyder, 1901) (Indo-Pacific blue marlin); Although they are traditionally listed as separate species, recent research indicates that the Atlantic blue marlin (Makaira nigricans) and Indo-Pacific blue marlin (Makaira mazara) may be parapatric populations of the same species.
There is a dispute based on the taxonomy of the sailfish, and either one or two species have been recognized. [3] [4] No differences have been found in mtDNA, morphometrics or meristics between the two supposed species and most authorities now only recognize a single species, Istiophorus platypterus, found in warmer oceans around the world.
The Illinois List of Endangered and Threatened Species is reviewed about every five years by the Illinois Endangered Species Protection Board (ESPB). [1] To date it has evaluated only plants and animals of the US state of Illinois, not fungi, algae, or other forms of life; species that occur in Illinois which are listed as endangered or threatened by the U.S. federal government under the ...
It is located on the east side of the Illinois River along IL 26. [1] The Spring Beach Unit (1,642 acres (664 ha), of which 537 acres (217 ha) are water) is located on the west side of the Illinois River between Sparland and Chillicothe along IL 29. [1] It has a 6-acre picnic area, fishing, hunting, and hiking trails. [1]
Green River State Wildlife Area is an Illinois state park on 2,565 acres (1,038 ha) in Lee County, Illinois, United States. This wildlife restoration area was acquired by the State of Illinois in 1940, using funds from the Federal Aid in Wildlife Restoration Act. It is frequented by hunters, hikers, birders and other outdoor enthusiasts.
The IUCN Red List of Threatened Species by the International Union for Conservation of Nature is the best known worldwide conservation status listing and ranking system. . Species are classified by the IUCN Red List into nine groups set through criteria such as rate of decline, population size, area of geographic distribution, and degree of population and distribution fragmenta
In all, the refuge is located in parts of Jackson, Monroe, and Randolph counties in Illinois, and Jefferson and Perry counties in Missouri. The refuge relies for much of its staffing on the nearby Crab Orchard National Wildlife Refuge near Carbondale, Illinois. [1] This Refuge was created in response to the Great Flood of 1993.